Smithsonian magazine's 22nd Annual Photo Contest | Made possible through the support of MPB.com

8th Annual Smithsonian Magazine Photo Contest Natural World
Roosevelt National Park ravine reveals stratified stratus clouds and serpentine soil strata.

Roosevelt National Park ravine reveals stratified stratus clouds and serpentine soil strata.

Photo Detail
Date Taken: 08.2009
Date Uploaded: 11.2010
Photo Location: North Dakota, United States of America
Copyright: © J G Duker